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test: update test-fs-write-file #10030

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68 changes: 34 additions & 34 deletions test/parallel/test-fs-write-file.js
Original file line number Diff line number Diff line change
@@ -1,81 +1,81 @@
'use strict';
var common = require('../common');
var assert = require('assert');
var fs = require('fs');
var join = require('path').join;
const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const join = require('path').join;

common.refreshTmpDir();

var filename = join(common.tmpDir, 'test.txt');
const filename = join(common.tmpDir, 'test.txt');

var n = 220;
var s = '南越国是前203年至前111年存在于岭南地区的一个国家,国都位于番禺,疆域包括今天中国的广东、' +
'广西两省区的大部份地区,福建省、湖南、贵州、云南的一小部份地区和越南的北部。' +
'南越国是秦朝灭亡后,由南海郡尉赵佗于前203年起兵兼并桂林郡和象郡后建立。' +
'前196年和前179年,南越国曾先后两次名义上臣属于西汉,成为西汉的“外臣”。前112年,' +
'南越国末代君主赵建德与西汉发生战争,被汉武帝于前111年所灭。南越国共存在93年,' +
'历经五代君主。南越国是岭南地区的第一个有记载的政权国家,采用封建制和郡县制并存的制度,' +
'它的建立保证了秦末乱世岭南地区社会秩序的稳定,有效的改善了岭南地区落后的政治、##济现状。\n';
const n = 220;
const s = '南越国是前203年至前111年存在于岭南地区的一个国家,国都位于番禺,疆域包括今天中国的广东、' +
'广西两省区的大部份地区,福建省、湖南、贵州、云南的一小部份地区和越南的北部。' +
'南越国是秦朝灭亡后,由南海郡尉赵佗于前203年起兵兼并桂林郡和象郡后建立。' +
'前196年和前179年,南越国曾先后两次名义上臣属于西汉,成为西汉的“外臣”。前112年,' +
'南越国末代君主赵建德与西汉发生战争,被汉武帝于前111年所灭。南越国共存在93年,' +
'历经五代君主。南越国是岭南地区的第一个有记载的政权国家,采用封建制和郡县制并存的制度,' +
'它的建立保证了秦末乱世岭南地区社会秩序的稳定,有效的改善了岭南地区落后的政治、##济现状。\n';

fs.writeFile(filename, s, common.mustCall(function(e) {
if (e) throw e;
assert.ifError(e);

fs.readFile(filename, common.mustCall(function(e, buffer) {
if (e) throw e;
assert.equal(Buffer.byteLength(s), buffer.length);
assert.ifError(e);
assert.strictEqual(Buffer.byteLength(s), buffer.length);
}));
}));

// test that writeFile accepts buffers
var filename2 = join(common.tmpDir, 'test2.txt');
var buf = Buffer.from(s, 'utf8');
const filename2 = join(common.tmpDir, 'test2.txt');
const buf = Buffer.from(s, 'utf8');

fs.writeFile(filename2, buf, common.mustCall(function(e) {
if (e) throw e;
assert.ifError(e);

fs.readFile(filename2, common.mustCall(function(e, buffer) {
if (e) throw e;
assert.ifError(e);

assert.equal(buf.length, buffer.length);
assert.strictEqual(buf.length, buffer.length);
}));
}));

// test that writeFile accepts numbers.
var filename3 = join(common.tmpDir, 'test3.txt');
const filename3 = join(common.tmpDir, 'test3.txt');

var m = 0o600;
const m = 0o600;
fs.writeFile(filename3, n, { mode: m }, common.mustCall(function(e) {
if (e) throw e;
assert.ifError(e);

// windows permissions aren't unix
if (!common.isWindows) {
var st = fs.statSync(filename3);
assert.equal(st.mode & 0o700, m);
const st = fs.statSync(filename3);
assert.strictEqual(st.mode & 0o700, m);
}

fs.readFile(filename3, common.mustCall(function(e, buffer) {
if (e) throw e;
assert.ifError(e);

assert.equal(Buffer.byteLength('' + n), buffer.length);
assert.strictEqual(Buffer.byteLength('' + n), buffer.length);
}));
}));

// test that writeFile accepts file descriptors
var filename4 = join(common.tmpDir, 'test4.txt');
const filename4 = join(common.tmpDir, 'test4.txt');

fs.open(filename4, 'w+', common.mustCall(function(e, fd) {
if (e) throw e;
assert.ifError(e);

fs.writeFile(fd, s, common.mustCall(function(e) {
if (e) throw e;
assert.ifError(e);

fs.close(fd, common.mustCall(function(e) {
if (e) throw e;
assert.ifError(e);

fs.readFile(filename4, common.mustCall(function(e, buffer) {
if (e) throw e;
assert.ifError(e);

assert.equal(Buffer.byteLength(s), buffer.length);
assert.strictEqual(Buffer.byteLength(s), buffer.length);
}));
}));
}));
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